Iron Apprentice is such a simple card and a most welcome addition to the Arcbound Worker family
dang, did you know there are actually 112 cards in green with the text 'return' and 'graveyard' on them
Its similar to Vadrik, Astral Archmage in that it takes advantage of mechanics in unique ways that add depth to the game
If you want to protect your cards then double sleeving is the best way to go about it
Or you could use cards like Merfolk Looter and pitch big, splashy spells into the graveyard you can flash back for cheap, like Ezuris Predation, Clone Legion, or Insurrection
She allows you to draw cards by removing hit counters from creatures in exile whenever your assassins, mercenaries, and rogues deal combat damage to a player, effectively allowing them to collect on the rewards for carrying out these contracts